(optional) 'algebraic' or 'rational'; specify the type of coefficients for the polynomial equation

Description

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The algfuntoalgeq(expr, y(z)) command returns a polynomial in y and z that has expr as a root. The polynomial is not necessarily minimal.

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If ini is specified, it is assigned a set of initial conditions for the polynomial to specify which branch is indicated (if possible).

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If typ is specified as 'rational', the coefficients of the polynomial are of type rational or type name. This is particularly useful for finding a polynomial for an algebraic number. The default is 'rational'.

If typ is specified as 'algebraic' the coefficients are algebraic numbers. This option can be used with algebraicsubs.